Mask cleaning device



FIG. 1 is a top perspective view of a mask cleaning device showing the new design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The “CLEANBOX” forming part of the claimed design disclosure is a registered trademark of the CleanBox Technology, Inc.

The portions of the mask cleaning device shown in broken line form no part of the claimed design. 

CLAIM The ornamental design for a mask cleaning device, as shown and described. 